Home / 10,990.52-15,167.46-6,145.91

Finding the Fourth Proportional to 10,990.52, 15,167.46 and 6,145.91

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Solution

The fourth proportional to 10,990.52, 15,167.46 and 6,145.91 is: 8,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.52 : 15,167.46 = 6,145.91 : x
  2. Step 2: Convert to fraction form
    10,990.52/15,167.46 = 6,145.91/x
  3. Step 3: Cross multiply
    10,990.52x = 15,167.46 × 6,145.91
  4. Step 4: Simplify right side
    10,990.52x = 93,217,844.09
  5. Step 5: Solve for x
    x = 93,217,844.09/10,990.52
  6. Step 6: Final answer
    x = 8,481.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.